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Magnetic resonance angiography (MRA) is a group of techniques based on magnetic resonance imaging (MRI) to image blood vessels. Magnetic resonance angiography is used to generate images of arteries (and less commonly veins) in order to evaluate them for stenosis (abnormal narrowing), occlusions, aneurysms (vessel wall dilatations, at risk of rupture) or other abnormalities.
Phase contrast magnetic resonance imaging (PC-MRI) is a specific type of magnetic resonance imaging used primarily to determine flow velocities. PC-MRI can be considered a method of Magnetic Resonance Velocimetry. It also provides a method of magnetic resonance angiography.
High contrast flow rate of 4ml/sec through 18G branula at antecubital fossa is recommended to achieve optimal quality images. However, for those with peripheral arterial disease and those with central venous catheter with low flow rate, 2.0 to 2.5 ml/sec are still manage to produce acceptable images.
Consumer Reports (CR), formerly Consumers Union (CU), is an American nonprofit consumer organization dedicated to independent product testing, investigative journalism, consumer-oriented research, public education, and consumer advocacy.
Digital subtraction angiography (DSA) is a fluoroscopy technique used in interventional radiology to clearly visualize blood vessels in a bony or dense soft tissue environment. Images are produced using contrast medium by subtracting a "pre-contrast image" or mask from subsequent images, once the contrast medium has been introduced into a ...
A young Georgia woman who pleaded guilty to fatally shooting a man after a plan to egg his house went horribly wrong has been sentenced to life in prison. On Nov. 20, Sydney Maughon, 19, reached ...
New Orleans — A scraggly white Terrier named Scrim has captivated the hearts of many in New Orleans hoping to help him back to a safer, easier life in the Big Easy.. Scrim, already twice rescued ...
Modalities applied to measurement of ejection fraction is an emerging field of medical mathematics and subsequent computational applications. The first common measurement method is echocardiography, [7] [8] although cardiac magnetic resonance imaging (MRI), [8] [9] cardiac computed tomography, [8] [9] ventriculography and nuclear medicine (gated SPECT and radionuclide angiography) [8] [10 ...